The Streamlight SL-20X halogen light is a full sized professional grade, high intensity rechargeable flashlight, perfect for law enforcement, security, industrial use, automotive work, sports, and for personal use. The Halogen bulb provides high output, a white, natural appearing light, has a longer life, is easy focused, and is a top choice for long distances. The SL-20X has the power and durability you need for almost any job. The Streamlight SL-20X flashlight meets applicable European Community Directives. The Streamlight SL-20X also has LED back up emergency lights that offer an additional 1 hour minimum of light when you need it most.